On 2018-04-05 05:16, Paul Johnson wrote: > What would be the best way to handle setting unusual defaults on a > regional basis? For example, all of the City of Tulsa and State of > Oregon prohibit U-turns at traffic lights. How would one tag for > this, and the inverse, tagging where such a turn is allowed by a sign?
OSM does not encode defaults in its database. There is a Proposed features/Defaults <https://wiki.openstreetmap.org/wiki/Proposed_features/Defaults> , but instead of being validated or improved, it was abandoned. Defaults are encoded in external databases, one per routing engine. > Most complicated example I can think of is one intersection I remember > is at https://www.openstreetmap.org/node/4597658691 and it's > immediately adjacent companion for the other carriageway just south. > U-turns are banned in Oregon at traffic lights, but facing Canyon Road > eastbound and westbound is a sign that says "U Turn OK, CARS ONLY". > Northbound and southbound traffic cannot U-turn at the light. So > there would need to be an exception for motorcars coming from the east > or west to allow a U-turn and a statewide regional default to deny > U-turns at lights for all modes. > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging
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